How do you calculate the degrees of freedom for a t distribution what happens to the shape?

Mark has seven tickets. Hannah gives him six more tickets. how many tickets does Mason have in all?

What percent of 77 is 60?

What is the percentof change from 10 to 9

Tara runs an amusement park ride and needs to count the people who get on the ride. At the beginning of her shift, 132 people had ridden the ride. The table shows the total number of riders for several times during Tara's shift.

Find the sixth term of the sequence 14,9,4, ...

Find the unit price for a 7-ounce box of cookies for $2.15. Find the answer to the nearest tenth of one cent

Solve and simplify '8 - y + 7y = 40

What is the solution of 12b=18

How can we solve fractions

F (x) = 2x-1 and g (x) = - x+5 what is the solution of f (x) = g (x)